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Finding the Fourth Proportional to 526,695.57, 726,834.71 and 284,972.84

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Solution

The fourth proportional to 526,695.57, 726,834.71 and 284,972.84 is: 393,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,695.57 : 726,834.71 = 284,972.84 : x
  2. Step 2: Convert to fraction form
    526,695.57/726,834.71 = 284,972.84/x
  3. Step 3: Cross multiply
    526,695.57x = 726,834.71 × 284,972.84
  4. Step 4: Simplify right side
    526,695.57x = 207,128,146,460.24
  5. Step 5: Solve for x
    x = 207,128,146,460.24/526,695.57
  6. Step 6: Final answer
    x = 393,259.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.